Full Download Enhancement of Magneto-Optic Effects via Large Atomic Coherence - Sautenkov, V. A.; Lukin, M. D.; Bednar, C. J.; Welch, G. R.; Fleischhauer, M.; Velichansky, V. L.; Scully, M. O. file in PDF
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(PDF) Enhancement of magneto-optic effects via large atomic
Enhancement of Magneto-Optic Effects via Large Atomic Coherence
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Atkinson / design of magneto-optic phase-optimised tri-layer systems 179 in order to improve upon the previously reported [1,2] quadrilayer designs for enhancing magneto-optical effects it is necessary to try to reduce the number of layers in the system to simplify the fabrication process.
Jun 3, 2016 in contrast to the common way to enhance the magneto-optical effect through optical resonance,11–13 the enhancement is realized by directly.
A semiquantitative model of circular magneto-optical effects in iron garnets is constructed within the concept of charge-transfer transitions and the existing qualitative notions. In the framework of the proposed model, the drastic enhancement of circular magneto-optical effects in r 3fe5o12 iron garnets containing impurities of bi3+ or pb2+ ions is explained by the increase in the oxygen.
The enhancement of the magneto-optic reflection originates from the highly confined electric field in the magnetic medium by the ear structure.
The transverse magneto-optical kerr effect (tmoke) in magnetite-based magneto-plasmonic crystals is studied experimentally and theoretically. We analyze tmoke angle-resolved spectra from two type of structures where noble metallic stripes are incorporated inside thin magnetite film or located at the top of the homogeneous film.
Here, the possibility of enhancing the mo effects of monolayer transition metal dichalcogenides upon mef using a cavity structure is investigated. It is identified that the faraday rotation (fr) angle can be boosted by choosing the proper thickness of optical cavity due to its resonant characteristics.
Furthermore recently, predictions of a significant enhancement of the magneto-optic transverse kerr effect were reported for the case of a magnetic/noblemetal film perforated with subwavelength slit arrays. 9 in this work, we have successfully fabricated subwavelength hole arrays in optically thin fe films with different hole sizes.
May 7, 2018 to further optimize the magneto-optical re- sponse and achieve a significant enhancement of the effect, the metasurfaces composed of ni/si.
Signif- icantly, the strength of magneto-optical effects becomes enhanced due to local electromagnetic field enhancement associated with the magneto-plasmon.
The research activities on the phenomenon of magneto-optic effects has recently promulgated due to its versatile use in magneto-optic recordings for high density magnetic data storage, magnetic field sensors and its applications in magneto-electronics. The discovery of magneto-optical effects evoked a new thought that the nature of light was an electromagnetic entity, and played a central role.
Keywords: magneto-optics, faraday effect, kerr effects, magneto-plasmonic, resonant guided-mode grating.
We utilize the generation of large atomic coherence in optically dense media to enhance the resonant nonlinear magneto-optic effect by several orders of magnitude, thereby eliminating power broadening and improving the fundamental signal-to-noise ratio. A proof-of-principle experiment is carried out in a dense vapor of rb atoms.
The enhancement of magneto-optical effects can be reached via the excitation of surface plasmon-polaritons.
The physical nature of the magneto-optical effect enhancement in three layers (magnetic/noble/dielectric films) is related to the excitation of surface plasmons and their fast propaga- tion on the interface of a complex three-layer structure.
Aug 8, 2018 this observation reveals an important role of the local field enhancement in a hyperbolic medium associated with enz and enp dispersion points.
Cavity‐induced enhancement of magneto‐optic effects in monolayer transition metal dichalcogenides.
Jul 20, 2015 an enhanced faraday effect is known to result from ce substitution into the yttrium iron garnet lattice, and here we characterize the magneto-optic.
Magneto-optic kerr effect (moke) enhancement is studied for yttrium iron garnet (yig) nanoparticle. The moke is quantified by the ratio of the polarization components of reflected wave, namely between the perpendicular component to the parallel component with respect to the polarization of the incident wave. Thus, the enhancement of moke can be obtained by increasing the perpendicular component or reducing the parallel component of the reflected wave polarization.
Enhancing magneto-optic effects may help to reduce the size of photonic devices. Recent research by several groups shows that the features of metal optical components can be exploited to enhance typically weak magneto-optic effects.
The magneto-optic kerr effect is a powerful tool for measuring magnetism in thin films at microscopic scales, as was recently demonstrated by the major role it played in the discovery of two-dimens.
Dec 30, 2015 in order to help you prepare for the emotional pain, a new piece of concept art has been released, showing magneto's enhanced powers.
Cavity-induced enhancement of magneto-optic effects in monolayer transition metal dichalcogenides.
The properties of optics and magneto-optical faraday effects in a metal-dielectric tri-layer structure with subwavelength rectangular annular arrays are investigated. It is noteworthy that we obtained the strongly enhanced faraday rotation of the desired sign along with high transmittance by optimizing the parameters of the nanostructure in the visible spectral ranges.
We utilize the generation of large atomic coherence in optically dense media to enhance the resonant nonlinear magneto-optic effect by several orders of magnitude, thereby eliminating power.
Aug 20, 2006 the principal magneto-optic effects observed in ferromagnetio and ferri-magnetic materials are described.
Nov 20, 2002 are sensitive to magneto-optical effects since the influ- ence of light polarization on the laser output intensity is strongly enhanced by the cavity.
Feb 23, 2021 we demonstrate that the magneto-optical kerr effect at normal incidence in the terahertz (thz) frequency range is useful for evaluating carrier.
Interference induced enhancement of magneto-optical effect in pt/tbco hetero- structured films.
Nurrahman, enhancement of magneto-optic kerr effect (moke) by backscattering suppression, in 14th pacific rim conference on lasers and electro-optics (cleo pr 2020), osa technical digest (optical society of america, 2020), paper p4_9.
The surface-plasmon- resonance-enhanced magneto-optical effect has been demonstrated on gold- coated ferromagnetic nanoparticles with a broad bandwidth.
Mar 15, 2019 enhancement of the magneto-optical kerr effect in one-. Dimensional magnetophotonic crystals with adjustable spatial.
Enhancement of magneto-optic effects by strong electric fields induced by plasmon resonances in metallic nanoparticles placed on (or embedded into) garnets is discussed.
Magneto-optical effects can be enhanced significantly in aperiodic structure, the so called photonic crystals, that exhibit photonic bandgaps. The enhancement ofmagneto-optical effects would thus allow large improvements in existing applications and even moreopen up new possibilities for advanced sensor devices and optical filters.
Polarization rotation due to the magneto-optic kerr effect bouncing on a metallic magnetic medium covered with a dielectric thin film was numerically studied. Analytical calculations considering multiple reflections in the thin film, fresnel coefficients, and polarization change on a magnetic medium predicted the enhancement of the magneto.
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